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<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
</head>
<body>
	<script>
		function Foo(){};
		console.log(Foo.prototype);
		console.log(Foo.constructor);
		console.log(Foo.__proto__);
		let f1 = new Foo();
		console.log(f1)
		console.log(f1.__proto__ == Foo.prototype);//true

		
		let o1 = Object.create(null);
		console.log(o1.__proto__);//undefined


		let o2 = {};
		console.log(o2);
		let o3 = Object.create({});
		console.log(o3);
		let o4 = Object.create(Object.prototype);
		console.log(o4);
		console.log(o2.__proto__ == o4.__proto__);//true
		console.log(o2.__proto__ == o3.__proto__)//false
	</script>
</body>
</html>